You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
79 lines
2.4 KiB
79 lines
2.4 KiB
// Copyright (c) 2020-2021, The Monero Project
|
|
//
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without modification, are
|
|
// permitted provided that the following conditions are met:
|
|
//
|
|
// 1. Redistributions of source code must retain the above copyright notice, this list of
|
|
// conditions and the following disclaimer.
|
|
//
|
|
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
|
|
// of conditions and the following disclaimer in the documentation and/or other
|
|
// materials provided with the distribution.
|
|
//
|
|
// 3. Neither the name of the copyright holder nor the names of its contributors may be
|
|
// used to endorse or promote products derived from this software without specific
|
|
// prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
|
|
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
|
|
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
|
|
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
#pragma once
|
|
|
|
#include <gcrypt.h>
|
|
|
|
namespace openpgp
|
|
{
|
|
|
|
class mpi
|
|
{
|
|
public:
|
|
mpi(const mpi &) = delete;
|
|
mpi &operator=(const mpi &) = delete;
|
|
|
|
mpi(mpi &&other)
|
|
: data(other.data)
|
|
{
|
|
other.data = nullptr;
|
|
}
|
|
|
|
template <
|
|
typename byte_container,
|
|
typename = typename std::enable_if<(sizeof(typename byte_container::value_type) == 1)>::type>
|
|
mpi(const byte_container &buffer, gcry_mpi_format format = GCRYMPI_FMT_USG)
|
|
: mpi(&buffer[0], buffer.size(), format)
|
|
{
|
|
}
|
|
|
|
mpi(const void *buffer, size_t size, gcry_mpi_format format = GCRYMPI_FMT_USG)
|
|
{
|
|
if (gcry_mpi_scan(&data, format, buffer, size, nullptr) != GPG_ERR_NO_ERROR)
|
|
{
|
|
throw std::runtime_error("failed to read mpi from buffer");
|
|
}
|
|
}
|
|
|
|
~mpi()
|
|
{
|
|
gcry_mpi_release(data);
|
|
}
|
|
|
|
const gcry_mpi_t &get() const
|
|
{
|
|
return data;
|
|
}
|
|
|
|
private:
|
|
gcry_mpi_t data;
|
|
};
|
|
|
|
} // namespace openpgp
|